How does a baby develop inside the womb? Fox News looks at the various stages of development from conception to birth. Pregnancy tends to follow a well-understood and predictable course. But according ...

Conception occurs when sperm fertilizes an egg found in the fallopian tube, creating a zygote that can eventually become an embryo. Conception — and ultimately, pregnancy — can involve a surprisingly ...

Many moms-to-be know that their health even before they become pregnant – known as pre-conception health – can affect the health of their babies. Now, research is continuing to show that the ...